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Molecular mechanism of ginsenoside Rg_1 against radiation enteritis: based on network pharmacology and in vitro experiment / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 2810-2819, 2023.
Article in Chinese | WPRIM | ID: wpr-981384
ABSTRACT
Via network pharmacology, molecular docking, and cellular experiment, this study explored and validated the potential molecular mechanism of ginsenoside Rg_1(Rg_1) against radiation enteritis. Targets of Rg_1 and radiation enteritis were retrieved from BATMAN-TCM, SwissTargetPrediction, and GeneCards. Cytoscape 3.7.2 and STRING were employed for the construction of protein-protein interaction(PPI) network for the common targets, and screening of core targets. DAVID was used for Gene Ontology(GO) term and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment to predict the possible mechanism, followed by molecular docking of Rg_1 with core targets and cellular experiment. For the cellular experiment, ~(60)Co-γ irradiation was performed for mo-deling of IEC-6 cells, which were then treated with Rg_1, protein kinase B(AKT) inhibitor LY294002, and other drugs to verify the effect and mechanism of Rg_1. The results showed that 29 potential targets of Rg_1, 4 941 disease targets, and 25 common targets were screened out. According to the PPI network, the core targets were AKT1, vascular endothelial growth factor A(VEGFA), heat shock protein 90 alpha family class A member 1(HSP90AA1), Bcl-2-like protein 1(BCL2L1), estrogen receptor 1(ESR1), etc. The common targets were mainly involved in the GO terms such as positive regulation of RNA polymerase Ⅱ promoter transcription, signal transduction, positive regulation of cell proliferation, and other biological processes. The top 10 KEGG pathways included phosphoinositide 3-kinase(PI3K)/AKT pathway, RAS pathway, mitogen-activated protein kinase(MAPK) pathway, Ras-proximate-1(RAP1) pathway, and calcium pathway, etc. Molecular docking showed that Rg_1 had high binding affinity to AKT1, VEGFA, HSP90AA1, and other core targets. Cellular experiment indicated that Rg_1 can effectively improve cell viability and survival, decrease apoptosis after irradiation, promote the expression of AKT1 and B-cell lymphoma-extra large(BCL-XL), and inhibit the expression of the pro-apoptotic protein Bcl-2-associated X protein(BAX). In conclusion, through network pharmacology, molecular docking, and cellular experiment, this study verified the ability of Rg_1 to reduce radiation enteritis injury. The mechanism was that it regulated PI3K/AKT pathway, thereby suppressing apoptosis.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Radiation Injuries / Drugs, Chinese Herbal / Phosphatidylinositol 3-Kinases / Ginsenosides / Vascular Endothelial Growth Factor A / Proto-Oncogene Proteins c-akt / Molecular Docking Simulation / Network Pharmacology Limits: Humans Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2023 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Radiation Injuries / Drugs, Chinese Herbal / Phosphatidylinositol 3-Kinases / Ginsenosides / Vascular Endothelial Growth Factor A / Proto-Oncogene Proteins c-akt / Molecular Docking Simulation / Network Pharmacology Limits: Humans Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2023 Type: Article